Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 32.6 yrs |
|---|---|
| Avg HH Size | 3.23 |
| Below Poverty | 9.1% ▼ 9% below avg |
| College Grads | 43.0% ▲ 11% above avg |
| Unemployment | 2.4% ▼ 52% below avg |
| No HS Diploma | 175 (1%) |
| HS Graduate | 4,530 (25.2%) |
| Some College | 2,374 (13.2%) |
| Associates | 3,183 (17.7%) |
| Bachelors | 2,708 (15.1%) |
| Graduate Degree | 5,002 (27.8%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $82,366 ▲ 8% above avg |
|---|---|
| Median Home Value | $336,213 ▲ 21% above avg |
| Home/Income Ratio | 4.1x (nat avg ~3.5x) |
| Median Rent | $1,095/mo |
| Total Housing Units | 10,676 |
| Vacant Units | 646 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Jefferson County is located in Idaho and encompasses 8 ZIP codes spanning 8 cities and communities. The county has an estimated population of 32,447 residents. With a median age of 32.64, it is a relatively young county.
Jefferson County has a middle-income economic profile. The median household income of $82,366 is near the national average. Unemployment stands at 2.4%, well below the national average. The poverty rate of 9.1% is near the national average.
Housing in Jefferson County is a mid-range housing market, with a median home value of $336,213 — above the national average. Monthly median rent is approximately $1,094. Homeownership rates are high at 82.5%, reflecting a largely residential, stable population.
The residents of Jefferson County are primarily White (85.93%). Educational attainment is well-educated — 43.0% of adults hold a bachelor's degree or higher, near the national average.
Jefferson County, ID is a middle-income area in Idaho. The 8 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 83425 | Hamer | 634 | $70,000 | $222,400 | $1,083 | 0.8% | 29.6% |
| 83431 | Lewisville | 1,066 | $81,667 | $238,600 | $800 | 6.0% | 29.2% |
| 83434 | Menan | 1,754 | $85,625 | $240,400 | $1,134 | 5.4% | 36.1% |
| 83435 | Monteview | 431 | $75,625 | $211,200 | $1,643 | 1.9% | 29.2% |
| 83442 | Rigby | 24,829 | $84,328 | $376,800 | $1,098 | 2.1% | 47.0% |
| 83443 | Ririe | 1,227 | $62,653 | $154,200 | $1,107 | 1.6% | 39.5% |
| 83444 | Roberts | 1,267 | $83,333 | $180,500 | $1,125 | 2.4% | 20.0% |
| 83450 | Terreton | 1,239 | $66,250 | $183,700 | $1,003 | 2.3% | 24.7% |